principal developer jobs in Wales

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Principal Test Development Engineer

MBDA
Newport

You will be involved in the design process at all stages, supporting design reviews and manufacturing queries, reporting into the Technical Lead or Equipment Project Manager.

You will have the opportunity to lead on packages of work, manage deliveries and assign work to senior design engineers.

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5 hours ago

MASH - Principal Social Worker - Cardiff Council

Hoop
Cardiff

You will play a key role in shaping practice standards, driving performance, and embedding high-quality decision-making within a fast-paced safeguarding environment.

You will take the lead on high-risk Strategy Meetings on a rotational basis and support the Team Manager with key operational functions including referral “ragging”, allocations, and authorisation of Social Worker assessments.

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5 hours ago
Hybrid

Senior/Principal Planning Consultant

Penguin Recruitment
Cardiff

Job Description Job Title: Senior / Principal Planning ConsultantLocation: Bristol or Cardiff Penguin Recruitment is delighted to be supporting a leading multi-disciplinary consultancy in their search for an experienced Senior or Principal Planning Consultant to join a highly regarded and growing planning team in the South West / South Wales. This is an exciting opportunity to work at the...

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5 hours ago
Hybrid

Principal Process Safety Engineer

BAE Systems
Rhosneigr

You will be working with six people from principals to apprentices, liaising with operational managers, heads of departments as well as the Health & Safety teams. This role offers exposure to the Wider Control Damage Hazards team whilst individually being given the opportunity for professional growth within the function.

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5 hours ago
Hybrid

Senior or Principal Geospatial Consultant

Morson Edge
Cardiff

You will take a lead role in delivering high-quality geospatial solutions across environmental planning, landscape architecture, ecology, arboriculture, and construction site support projects.

You will develop and manage GIS and CAD workflows, provide technical guidance, and support strategic decision-making within the consultancy.

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an hour ago

Principal Structural Engineer

Bennett and Game
Bangor

You will play a key role from concept through to completion, ensuring designs xwwtmva are safe, efficient, and delivered t Please ensure you read the below overview and requirements for this employment opportunity completely. Please click on the apply button to read the full job description

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17 hours ago
Hybrid

Principal Business Analyst

Inspire People
Swansea

You will lead and support a community of Business Analysts within your programme, creating clarity around priorities, maintaining high standards and helping others develop and succeed. The role offers a rare chance to run a 'mini BA practice' within a large organisation, combining autonomy with the support of an established, mature BA function.

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an hour ago
Hybrid

Senior/Principal Geo-Environmental Consultant (Bristol)

Tetra Tech
Newport

You will have a degree in geology, engineering geology, environmental science or related subject - Several yearspost-graduate experience

You must have a good understanding of health, safety and environmental management. - An understanding of current contaminated land technical guidance, Part 2A legislation and the development planning regime.

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5 hours ago

Principal Transport Planner

ALDWYCH CONSULTING LTD
Newport

Job Description Principal Consultant - Transport Development Planning (Bristol) I am currently working with a well-established consultancy that is setting up a new Bristol office and is now looking to appoint an enthusiastic and experienced Principal Consultant to play a key role in its growth. This opportunity would suit candidates with approximately four to eight years' experience in...

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5 hours ago

Principal Packaging Engineer

IC Resources
Newport

Job Description My client is looking for a Principal Semiconductor Packaging Engineer to lead the development of next-generation 2.5D and 3D packaging technologies. What you’ll do: - Architect innovative 2.5D/3D packaging solutions from concept to prototype. - Lead advanced packaging R&D programmes and technology roadmaps. - Oversee design, assembly, test, and validation of complex...

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5 hours ago

Principal Systems Engineer

Electus Recruitment
Newport

You will lead teams that use Systems thinking to analyse, assess and develop ways to mitigate safety, environmental and cyber threats across Aerospace, Defence, Security and Technology markets.

You will have the opportunity to work for leading global consultancy who work across a wide variety of projects with a top reputation for their design and engineering expertise.

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5 hours ago

Principal Mechanical Engineer

The Resolute Group Ltd
Newport

Principal Mechanical Engineer, London. Excellent opportunity for an experienced Principal Mechanical Engineer to play a key part in the growth of an expanding M&E team within an International Engineering and Design Consultancy. Location: London Salary: £50,000 - 70,000 + Package benefits Job Description: The Resolute Group is working in partnership with an International Engineering and...

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8 hours ago
Remote

Principal Security Engineer

Oracle
Newport

You will support in reverse engineering and deep understanding of vulnerabilities, including impact analysis and automation.

You must relish the challenge of findings critical vulnerabilities in complex software binaries through automation and manual practices. Creativity is highly valued; being able to find novel vulnerabilities is essential in this role.

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4 hours ago
Hybrid

Principal AI Engineer - TWE 43569

twentyAI
Cardiff

About the Role We’re seeking a Principal AI Engineer to lead the design and implementation of advanced AI solutions across our product and business ecosystem. This is a unique opportunity to define and deliver an organisation-wide AI strategy — combining hands-on technical work with cross-functional influence to drive real impact. You’ll work closely with senior technology and business leaders...

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8 hours ago

Principal Software Engineer (Software Team Lead)

Touchstone Advisory Limited
Newport

You will be both the hands-on technical lead and the architect of our future technology direction, guiding our software team while setting the foundations for a scalable product and engineering organisation. Working closely with our valuation specialists and product team, you will design solutions that fundamentally transform how valuation advisory services are delivered.

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6 hours ago
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Principal Mechanical Engineer, Construction

CloudHQ, LLC
Cardiff

At CloudHQ, our mission is to deliver flexible, efficient, and resilient data center solutions to businesses worldwide. Founded by a pioneer in data center REITs, we are a rapidly growing organization with state-of-the-art data center sites globally in locations such as Ashburn, London, Frankfurt, Paris, Milan, Osaka, and São Paulo. As we embark on an exciting phase of global growth, we are...

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4 days ago
Remote

Senior / Principal Waste and Resources Consultant

Tetra Tech
Newport

Job Description Are you ready to take the next step in your career with a company that can offer further career potential beyond just the next promotion? Tetra Tech is one of the largest and fastest growing environmental consultancies in the world.At Tetra Tech, you will work with high-performing teams who are passionate about using their expertise to find solutions to complex problems in water,...

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5 hours ago
Hybrid

Principal/ Associate Urban Designer

Morson Edge
Newport

Job Description Anderselite is working in partnership with a thriving, employee-owned design and planning consultancy with an exciting pipeline of residential and regeneration work across the UK. Due to continued growth, they are looking to appoint a Principal Urban Designer to join their Cardiff studio, with a clear pathway to Associate level. The Opportunity This is an excellent role for an...

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5 hours ago
Hybrid

Senior or Principal Geospatial Consultant

Morson Edge
Newport

You will take a lead role in delivering high-quality geospatial solutions across environmental planning, landscape architecture, ecology, arboriculture, and construction site support projects.

You will develop and manage GIS and CAD workflows, provide technical guidance, and support strategic decision-making within the consultancy.

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5 hours ago
Remote

Principal Mechanical Engineer

Morson Edge
Newport

Job Description Job Title: Principal Mechanical Engineer Location: Stoke Gifford, Bristol + Hybrid Working Arrangement Compensation: Competitive Salary + Benefits Role Type: Full time / Permanent As a Principal Mechanical Engineer, you'll have a role that's out of the ordinary. You'll maintain the engineering configuration, ensuring the overall design intent and integrity is maintained...

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5 hours ago
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